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9
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1 /**
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2 * strings.cpp: Useful functions for manipulating strings
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3 **/
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4 #include "core/strings.h"
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64
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5 #include <QByteArray>
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6 #include <QString>
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15
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7 #include <algorithm>
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8 #include <cctype>
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62
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9 #include <codecvt>
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9
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10 #include <locale>
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11 #include <string>
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12 #include <vector>
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13
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14 namespace Strings {
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15
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16 std::string Implode(const std::vector<std::string>& vector, const std::string& delimiter) {
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17 if (vector.size() < 1)
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18 return "-";
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19 std::string out = "";
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20 for (unsigned long long i = 0; i < vector.size(); i++) {
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21 out.append(vector.at(i));
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22 if (i < vector.size() - 1)
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23 out.append(delimiter);
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24 }
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25 return out;
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26 }
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27
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28 std::string ReplaceAll(const std::string& string, const std::string& find, const std::string& replace) {
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29 std::string result;
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30 size_t pos, find_len = find.size(), from = 0;
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31 while ((pos = string.find(find, from)) != std::string::npos) {
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32 result.append(string, from, pos - from);
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33 result.append(replace);
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34 from = pos + find_len;
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35 }
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36 result.append(string, from, std::string::npos);
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37 return result;
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38 }
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39
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40 /* this function probably fucks your RAM but whatevs */
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41 std::string SanitizeLineEndings(const std::string& string) {
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42 std::string result(string);
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43 result = ReplaceAll(result, "\r\n", "\n");
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44 result = ReplaceAll(result, "<br>", "\n");
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45 result = ReplaceAll(result, "\n\n\n", "\n\n");
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46 return result;
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47 }
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48
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49 std::string RemoveHtmlTags(const std::string& string) {
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50 std::string html(string);
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51 while (html.find("<") != std::string::npos) {
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52 auto startpos = html.find("<");
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53 auto endpos = html.find(">") + 1;
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54
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55 if (endpos != std::string::npos) {
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56 html.erase(startpos, endpos - startpos);
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57 }
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58 }
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59 return html;
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60 }
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61
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62 std::string TextifySynopsis(const std::string& string) {
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63 return RemoveHtmlTags(SanitizeLineEndings(string));
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64 }
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65
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15
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66 /* these functions suck for i18n!...
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76
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67 but we only use them with JSON
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68 stuff anyway */
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15
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69 std::string ToUpper(const std::string& string) {
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70 std::string result(string);
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71 std::transform(result.begin(), result.end(), result.begin(), [](unsigned char c) { return std::toupper(c); });
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72 return result;
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73 }
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74
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75 std::string ToLower(const std::string& string) {
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76 std::string result(string);
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77 std::transform(result.begin(), result.end(), result.begin(), [](unsigned char c) { return std::tolower(c); });
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78 return result;
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79 }
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80
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62
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81 std::wstring ToWstring(const std::string& string) {
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82 std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
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83 return converter.from_bytes(string);
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84 }
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85
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64
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86 std::wstring ToWstring(const QString& string) {
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87 std::wstring arr(string.size(), L'\0');
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88 string.toWCharArray(&arr.front());
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89 return arr;
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90 }
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91
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62
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92 std::string ToUtf8String(const std::wstring& wstring) {
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93 std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
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94 return converter.to_bytes(wstring);
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95 }
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96
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64
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97 std::string ToUtf8String(const QString& string) {
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98 QByteArray ba = string.toUtf8();
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99 return std::string(ba.data(), ba.size());
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100 }
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101
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102 QString ToQString(const std::string& string) {
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103 return QString::fromUtf8(string.c_str(), string.length());
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104 }
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105
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106 QString ToQString(const std::wstring& wstring) {
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107 return QString::fromWCharArray(wstring.c_str(), wstring.length());
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108 }
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109
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9
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110 } // namespace Strings
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